ICS 33.060.99 M36 YD 中华人民共和国 通信行业标准 YD/T XXXX —XXXX 演进的移动分组核心网络（ EPC）转控分离 技术要求 Technical requirements of evolved mobile packet core network for control and user plane separation （报批稿） XXXX - XX - XX发布 XXXX - XX - XX实施 中华人民共和国工业和信息化部   发 布 YD/T XXXX-XXXX I目  次 前言 ........................................................................ III 1 范围 ........................................................................ 1 2 规范性引用文件 .............................................................. 1 3 缩略语 ...................................................................... 1 4 转控分离 EPC网络架构 ........................................................ 1 4.1 漫游和非漫游架构 ........................................................ 1 4.2 SGW、PGW合设架构 ........................................................ 2 4.3 参考点 .................................................................. 2 5 功能要求 .................................................................... 2 5.1 概述 .................................................................... 3 5.2 SGW功能要求 ............................................................. 3 5.2.1 SGW控制面功能要求 ................................................... 3 5.2.2 SGW用户面功能要求 ................................................... 3 5.3 PGW功能要求 ............................................................. 4 5.3.1 PGW控制面功能要求 ................................................... 4 5.3.2 PGW用户面功能要求 ................................................... 5 5.4 PCC相关功能要求 ......................................................... 5 5.4.1 激活/去激活预定义 PCC规则 ........................................... 5 5.4.2 动态PCC规则的执行 .................................................. 6 5.4.3 重定向 .............................................................. 6 6 接口信令流程 ................................................................ 6 6.1 Sx会话流程 .............................................................. 6 6.1.1 概述 ................................................................ 6 6.1.2 Sx会话建立 .......................................................... 6 6.1.3 Sx会话修改 .......................................................... 7 6.1.4 Sx会话终止 .......................................................... 8 6.2 Sx管理流程 .............................................................. 9 6.2.1 概述 ................................................................ 9 6.2.2 Sx节点关联建立 ...................................................... 9 6.2.3 Sx节点关联更新 ...................................................... 9 6.2.4 Sx节点关联释放 ...................................................... 9 6.2.5 Sx节点保活 .......................................................... 9 6.2.6 PFD管理 ............................................................. 9 6.3 Sx上报流程 ............................................................. 10 6.3.1 概述 ............................................................... 10 6.3.2 Sx会话级上报过程 ................................................... 10 6.4 转控分离后对原有流程的更新 ............................................. 11 YD/T XXXX—XXXX II6.4.1 LTE接入 ............................................................ 11 6.4.2 非3GPP接入 ........................................................ 22 7 操作维护及网管要求 ......................................................... 29 7.1 维护测试功能 ........................................................... 29 7.2 故障检测及处理 ......................................................... 30 7.2.1 一般要求 ........................................................... 30 7.2.2 故障的容错性 ....................................................... 30 7.2.3 硬件故障的定位 ..................................................... 30 7.2.4 故障的恢复 ......................................................... 30 7.2.5 故障记录 ........................................................... 30 7.3 状态监视管理 ........................................................... 31 7.4 系统实时控制 .........................................